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Патент USA US3053758

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Sept. 11, 1962
3,053,749
H. H. HOFFERT
TONGS
Filed Feb. 19, 1959
„..
25'
24
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INVENTOR.
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BY
FIG. 4
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States
fire
3,053,749
Patented Sept. 11, 1962
1
2
3,053,749
section, on a reduced scale, showing the tongs in use and
immersing an article in an electrolyte.
Reference is now made to the drawings and particularly
to FIGURES -l and 2. There is shown the tongs gen
erally Adesignated 10 having a pair of tong arms 11 andV
TONGS
Howard H. Hoiïert, 7514 2nd Ave. S., Minneapolis, Minn.
Filed Feb. 19, 1959, ser. No. 794,409
z Claims. (on. 204-297)
This invention «relates to new and useful improvements
in tongs, speciñcally of the type adapted to grasp an
article and provide electric conduction thereto. It par
ticularly relates to new and useful improvements in tongs
'12 which are substantially identical but oppositely dis-l
posed. For convenience, arm 11 is illustrated as the
top arm and will be so described; however, it is to be
understood that the position can readily be reversed and
arm »'12 designated as the top arm.
In use, either the
which may be used to grasp a small »article of jewelry
or the like safely and securely, to provide an electric
current to said article and which may be utilized to im
merse the article in an electrolyte Ifor the cleaning of
arms 11 and 12 may Ihe engaged by »the ñngers and the
other engaged by the thumb at the discretion of the user,
all within the spirit and scope of this invention.
the article, while protecting from immersion the small
tag usually attached thereto.
portion 13 having at one end a spatulate portion 14 for
arm 11 and 15 for arm 12. The spatulate portions 14
and 15 are shown of `circular configuration. The tongs
It is therefore an object of this invention to provide
The arms 1‘1 and 12 each comprise an elongated
a new and useful conductive tongs.
are riveted or otherwise secured together by ends 16
It is a further object of this invention to provide a
of each of arms 11 and 12 lby rivet 17 as shown. Aper
new and useful tongs having resilient means for securely 20 tures are provided in each of arms 11 and 12 to receive
and yet resiliently engaging an article of jewelry or the
a bolt lrassembly 18 which provides a terminal for an
like, without scratching or vdamage «to the article, »and
electric `lead or conductor wire 19.
which rwill provide a ready means for immersing the
A resilient disc 20 is attached to each of spatulate
article in Ia liquid.
portions 14 and 15 so that lche -discs lie interior of the
Still a further object of this invention is to provide a 25 tongs when viewed in FIGURE 2 and adapted to move
new and useful tongs having means for securely grasping
into abutment with each other as the tong arms 11 and
an article and means for providing a conductive con
12 are closed.
nection thereto.
Yet a further object of this invention is the provision
The resilient `disc Z0 has an annular peripheral ridge
of the tong arms adapted to engage the article being
for the reception of either of `spatulate portions 14 and
20A slightly around it to provide a dished or cupped sur
of a tongs having cooperating arms, resiliently surfaced, 30 face with a planar bottom 20B. It is provided with an
for the engagement of an article of jewelry or the like
arcuate portion 20C opposite edge 20A which in coopera
and a deformable conductive member attached to one
tion with planar portion 20B provides an arcuate recess
gripped.
15 as the case may be.
Thus, it will be seen that disc
A further object of this invention is the provision of 35 20 may be slipped over spatulate portion 14 or 15 by
a new and useful tongs having means whereby an article
virtue of the resiliency of the disc and retained thereon
of jewelry such as a ring may be grasped for immersion
‘by portion 20C cooperating with the spatulate configura
into liquid, yet whereby a portion of said article and the
tion thereof, as shown in FIGURE 2.
price or other tag attached `thereto may be protected
The peripheral annular ridge 20A of each o-f the discs
from communication with the liquid.
for spatulate members 14 and 15, when brought into
Yet a further object of this invention is the provi
the position of FIGURE 3 over an article of jewelry 24
sion of a conductive tongs having means adapted to
because of its resiliency, will provide a fluid tight com
grasp an article -for immersion in a liquid while pre
partment for the protection of the tag 24A usually secured
venting contact with the liquid of a portion of that article
on the article of jewelry for price, etc.
45
and tag attached thereto.
Portion 14 is provided with a central aperture to which
Other and `further objects of the invention reside in
is secured by welding, soldering, brazing or otherwise, a
the structural details of the tongs, including the resilient
resilient conductive wire 21 having a coil spring portion
means for providing a conductive connection to the
article lbeing held by the tongs, the resilient means for
22 and »an extending end 23.
End 23 may be bent as
shown from the position of FIGURE 2 to the position
safely engaging a fragile article, the cooperation there
between and the >other structural features of the tongs.
50 of FIGURE 3 for engagement with an article of jewelry
Still other objects are inherent and apparent in the
structure as described, pictured «and claimed.
To the accomplishment of the foregoing and related
The tongs »may be made from »any suitable resilient
conductive material such as stainless steel, plated metal,
or the like, in this instance illustrated by the ring 24.
aluminum or the like so long as the metal is conductive
ends, this invention then comprises the features herein r and resilient so that the arms will be separated when
after fully described and particularly pointed out in the
the tongs are not squeezed. The connector wire or con
claims, the following description setting forth in detail
ductive member 21 may likewise `be made of any suitable
certain illustrative embodiments of the invention, these
resilient wire material, operative to establish a connec
being indicative, however, of but `a few of the various ways
tion between Itong 10 and the article 24. The connector
in which the principles of the invention ymay be ern 60 or electric lead 19 is of a conventional copper wire or
ployed.
the like and has an end turned around assembly 18.
This invention will be described with reference to
In use, a ring, as ring 24, other article of jewelry or
the drawings in which corresponding numerals refer to
lthe like, may be positioned so that portion 23 engages a
the same parts and in which:
part thereof when the ring or article is positioned between
FIGURE ‘l is a plan view of the instant invention; 65 discs 20 and clamped therebetween by squeezing of the
FIGURE 2 is an elevational View, partially in vertical
tongs. This provides soft, but ñrm engagement of the
section and showing the tongs in datum, normal or ex
article. The article may then be immersed in a conduc
tended position;
tive cleaning solution or electrolyte E within a vessel V
FIGURE 3 is a view similar to FIGURE 2 and show
having a second electric lead 2.5 connected thereto so that
70 the article may be cleaned by the action of the solution
ing the tongs in article engaging position; and
FIGURE 4 is an elevational view, partially in vertical
or electrolyte E and the electric current ñowing through
3 O53 749
4
3
it. The vessel V is shown having a conductive shell
although the lead 25 could ‘be provided with an electrode
or immersed directly into the electrolyte E as desired.
In the position of FIGURE 3, the two cooperating
What is claimed is:
1. A pair of tongs comprising in combination ñrst
and second extending arms, spaced at one end and joined
together at the other end, electric terminal means secured
peripheral ridges 20A will engage throughout the major
to said other end for connecting to a source of electric
portion of their circumference as shown in FIGURE 3
and will conform closely to the surface of the ring 24
as it emerges therebetween, thus providing a relatively
spatulate portions, one of said spatulate portions having
`fluid tight compartment for the protection of ytag 24A
as the article of jewelry is inserted into the liquid.
Although the tongs have been shown as used to pro
vide a conductive connection to a ring for immersing
it into an electrolyte for cleaning, it is to be understood
that `it is suitable for other operation wherein it is neces
sary or desirable to provide a conductive connection to
an article ñrmly yet gently held.
y
The resilient discs or pads 20 are made of rubber,
natural or synthetic or any suitable resilient synthetic
resinous material such as polyethylene, „vinyl chloride
or the like.
'
current, the spaced ends of said arms provided with
an extending wire member secured thereto and extending
from the exterior thereof, said wire member extending
substantially at right angles to the plane of said spatulate
portion and then coiling to provide a spring portion and
then extending downwardly and parallel -to the prolonga
tion of said arms and resilient pads secured to the interior
of each of said spatulate portions.
2. The pair of tongs of claim 1 in which said resilient
pads have cup like portions engaging each other.
References Cited in the íile of this patent
UNITED STATES PATENTS
.
It is apparent that many modiñcations >and variations
of this invention as hereinbefore set >forth may be made
without departing from the spirit and scope thereof. The
specific embodiments described are given by Way of ex
ample only and the invention is limited only by the terms
of the appended claims.
2,248,718
2,841,548
Owen ________________ __ July 8, 1941
Perlman ______________ -_ July 1, 1958
412,641
163,438
Great Britain __________ __ July 5, 1934
Australia ____________ __ June 20, 1955
FOREIGN PATENTS
_Al
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